How many radio system buses are there and which are they?
Primary RSB
LH secondary RSB ca
RH secondary RSB fo
What two systems control communication and navigation?
The RMU and TBCH
What is the purpose of the primary RSB?
Connect the secondary RSBs together
What do you have if you lose all 3 RSBs?
Com 2 and Nav 2, tuned through the TBCH
How is the TBCH powered?
DC bus 2
How does the CVR record voices?
A voice recorder on the overhead panel. Picks up all audible noises.
How much time does the CVR store data for?
2 hours
How is the CVR powered?
Essential DC bus 2